Decrease virtual disk size (not vmdk)

Hello,

We have a Windows Server 2016 which has a second virtual disk of 2TB. I wanted to give it more space, so I added another TB, Total 3TB.

Unfortunately in Windows Server, I cannot allocate the new space since the volume is an MBR partition. I know there are some tools to convert MBR to GPT without losing data.

I would like to undo the increase in the virtual disk. Can I just go back to the virtual machine configuration and change the value from 3TB to 2TB without losing any data?

For better understanding, I add two screenshots - Windows Server disk management or Vcenter VM configuration.

Thanks,

Edy